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Finding the Fourth Proportional to 221,839.39, 332,693.39 and 61,876.75

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Solution

The fourth proportional to 221,839.39, 332,693.39 and 61,876.75 is: 92,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,839.39 : 332,693.39 = 61,876.75 : x
  2. Step 2: Convert to fraction form
    221,839.39/332,693.39 = 61,876.75/x
  3. Step 3: Cross multiply
    221,839.39x = 332,693.39 × 61,876.75
  4. Step 4: Simplify right side
    221,839.39x = 20,585,985,042.64
  5. Step 5: Solve for x
    x = 20,585,985,042.64/221,839.39
  6. Step 6: Final answer
    x = 92,796.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.